How to live outside of US more than 180 days legally?

来源: 于 2007-07-23 10:25:56 [旧帖] [给我悄悄话] 本文已被阅读：次

My son is studying in Canada and need to live there for another two years.

Can he submit some kind of application/form to get a permit to live outside
of US?

Thanks